.header {
  width: 100vw;
  min-width: var(--min-width);
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 10;
  top: 0;
  left: 0;
  padding: 10px 20px;
  color: var(--primary-text-color);
  background-color: var(--primary-bg-color);
  box-shadow: 0 1px 1px 1px var(--primary-bg2-color);
}

.header_info {
  width: 320px;
  line-height: var(--header-height);
  /* padding-top: 10px; */
  font-weight: 500;
  letter-spacing: 1px;
}

.header_nav {
  min-width: 500px;
  height: 100%;
  padding-top: 10px;
}

.header_right {
  width: 150px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  /* padding-top: 30px; */
}
.header_right_date {
  font-size: 12px;
}
.header_right_time {
  font-size: 24px;
  font-family: '楷体';
  letter-spacing: 2px;
}

.nav_item {
  margin: 0 25px;
}

.nav_item_active {
  font-weight: bold;
}

.nav_item_slide {
  width: 70px;
  height: 3px;
  background-color: var(--primary-text-color);
  transition: all 0.3s;
  margin-top: 10px;
}

.nav_item_slide-home {
  transform: translateX(8px);
}

.nav_item_slide-dataTable {
  transform: translateX(104px);
}

.nav_item_slide-about {
  transform: translateX(250px);
}

/* .nav_item_slide-about {
  transform: translateX(333px);
} */